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January 26, 2015

January 26, 2015

Posted by **Alexandria** on Tuesday, August 9, 2011 at 11:12pm.

(I) Calculate the volume of metal in the cylinder.

(II) Calculate the upthrust (buoyancy force) exerted on the hollow cylinder when it is totally immersed in the liquid.

(III) Calculate the volume of the hollow space inside the cylinder.

- Physics _ Please please help -
**bobpursley**, Tuesday, August 9, 2011 at 11:27pmsomething is confusing me. How can the mass of the liquid+brass combined be greater than each separately?

- Physics _ Please please help -
**Alexandria**, Tuesday, August 9, 2011 at 11:45pmNot sure but thats how the question goes.

- Physics _ Please please help -
**bobpursley**, Wednesday, August 10, 2011 at 12:09amalexandria, something is wrong with the construction of the problem. The weight of two people on a scale cannot be greater than the sum of both their weights.

- Physics _ Please please help -
**Alexandria**, Wednesday, August 10, 2011 at 1:30pmIt's ok thank you anyway

- Physics _ Please please help -
**Alexandria**, Wednesday, August 10, 2011 at 4:21pmI think it would be; density difference: 8.47 * 10^3 kg/m^3 - 1.56 * 10^3 kg/m^3 = 6.91kg/m^3

Change in weight we have 28.28-17.50= 10.78kg

mass/density=volume

10.78/6.91=1.56

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